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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
Can you do a RAM upgrade on a 25" iMac mid 2010?
iMac 21.5", macOS 10.13
2010 iMacs have user upgrade able RAM, however Apple has never made a 25” iMac! It is either a 21.5” or 27”. Only use Crucial.com or Macsales.com RAM , iMacs need quality RAM and both vendors offer high quality reasonably priced products.
2010 iMacs have user upgrade able RAM, however Apple has never made a 25” iMac! It is either a 21.5” or 27”. Only use Crucial.com or Macsales.com RAM , iMacs need quality RAM and both vendors offer high quality reasonably priced products.
Maximum Memory 16 GB
Memory Slots 4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM
well, there are 21,5 and 27" iMacs - which one is it?
See the memory install video here:
https://eshop.macsales.com/shop/memory/iMac/2010/DDR3_21.5_27
My bad... it's a 21.5", I left off the (1).
Thank you for your response, greatly appreciated.
Lauray
Sorry, big typo...it's a 21.5".
Lauray
Thank you!
Lauray
You’re quite welcome.
RAM UPGRADE
